Product details: 1. Made from a high-quality thermoplastic elastomer that is odorless and prevents allergic reaction 2. No oxidation and white spots 3. Strong and flexible Non-slip grip material 4. Perfect and easy grip for exercise 5. Versatile exercise bar and help relieve joint pain 6. It can be used for physical therapy, grip strengthening, forearm exercises, rehab, tendonitis, pain injury, and resistance training.